Process for methyl alcohol

Details Process for methyl alcohol Process for methyl alcohol

1992-04-21

1993-02-09

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

570242, 570243, C07C 29124, C07C 3104, C07C 1704

Patent

active

051854791

ABSTRACT:
An improved method of producing methyl alcohol (methanol) from methane is provided using two reaction steps operated in tandem. In the first reaction step two chemical reactions occur simultaneously: a) perchloroethylene (CCl.sub.2 CCl.sub.2) is oxychlorinated with hydrogen chloride and oxygen to obtain hexachlorethane (CCL.sub.3 CCL.sub.3) and water, and b) methyl chloride (CH.sub.3 Cl) is hydrolyzed with water to give methyl alcohol and hydrogen chloride. In the second reaction step methane is chlorinated with hexachlorethane to produce methyl chloride, hydrogen chloride and perchloroethylene. By recycling the methyl chloride, hydrogen chloride, and regenerated perchloroethylene produced in the second step to the first step the process can be operated in a balanced mode whereby the internal consumption of hydrogen chloride is equal to its formation.

REFERENCES:
patent: 2447410 (1948-08-01), Hampel
patent: 2484702 (1949-10-01), Frey
patent: 3642918 (1972-02-01), Bohl et al.
patent: 4523040 (1985-06-01), Olah
patent: 4990696 (1991-02-01), Stauffer

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